50 100 | = | - | 30019 1000 | x | × | 2 | + | 28259 500 | + | 12499 500 |
方程右边 = | - | 30019 500 | x | + | 28259 500 | + | 12499 500 |
= | - | 30019 500 | x | + | 20379 250 |
50 100 | = | - | 30019 500 | x | + | 20379 250 |
30019 500 | x | = | 20379 250 | − | 50 100 |
30019 500 | x | = | 10127 125 |
x | = | 10127 125 | ÷ | 30019 500 |
= | 10127 125 | × | 500 30019 |
= | 10127 | × | 4 30019 |
x | = | 40508 30019 |
x | = | 1.349412 |